/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.abc.avm2.instructions.other;
import com.jpexs.decompiler.flash.abc.ABC;
import com.jpexs.decompiler.flash.abc.AVM2LocalData;
import com.jpexs.decompiler.flash.abc.avm2.AVM2Code;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.InstructionDefinition;
import com.jpexs.decompiler.flash.abc.avm2.model.ClassAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.GetSlotAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.NewActivationAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.ScriptAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.ThisAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.model.clauses.ExceptionAVM2Item;
import com.jpexs.decompiler.flash.abc.types.MethodBody;
import com.jpexs.decompiler.flash.abc.types.Multiname;
import com.jpexs.decompiler.flash.abc.types.traits.Trait;
import com.jpexs.decompiler.flash.abc.types.traits.TraitWithSlot;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import java.util.List;
/**
*
* @author JPEXS
*/
public class GetSlotIns extends InstructionDefinition {
public GetSlotIns() {
super(0x6c, "getslot", new int[]{AVM2Code.DAT_SLOT_INDEX}, true);
}
@Override
public void translate(AVM2LocalData localData, TranslateStack stack, AVM2Instruction ins, List<GraphTargetItem> output, String path) {
int slotIndex = ins.operands[0];
GraphTargetItem obj = stack.pop(); //scope
obj = obj.getThroughRegister();
Multiname slotname = null;
if (obj instanceof ExceptionAVM2Item) {
slotname = localData.getConstants().getMultiname(((ExceptionAVM2Item) obj).exception.name_index);
} else if (obj instanceof ClassAVM2Item) {
slotname = ((ClassAVM2Item) obj).className;
} else if (obj instanceof ThisAVM2Item) {
slotname = ((ThisAVM2Item) obj).classMultiname;
} else if (obj instanceof ScriptAVM2Item) {
List<Trait> traits = localData.getScriptInfo().get(((ScriptAVM2Item) obj).scriptIndex).traits.traits;
for (int t = 0; t < traits.size(); t++) {
Trait tr = traits.get(t);
if (tr instanceof TraitWithSlot) {
if (((TraitWithSlot) tr).getSlotIndex() == slotIndex) {
slotname = tr.getName(localData.abc);
}
}
}
} else if (obj instanceof NewActivationAVM2Item) {
MethodBody body = localData.methodBody;
List<Trait> traits = body.traits.traits;
for (int t = 0; t < traits.size(); t++) {
Trait trait = traits.get(t);
if (trait instanceof TraitWithSlot) {
if (((TraitWithSlot) trait).getSlotIndex() == slotIndex) {
slotname = trait.getName(localData.abc);
}
}
}
}
stack.push(new GetSlotAVM2Item(ins, localData.lineStartInstruction, obj, slotname));
}
@Override
public int getStackPopCount(AVM2Instruction ins, ABC abc) {
return 1;
}
@Override
public int getStackPushCount(AVM2Instruction ins, ABC abc) {
return 1;
}
}